From patchwork Fri Jun 26 17:57:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heinrich Schuchardt X-Patchwork-Id: 243015 List-Id: U-Boot discussion From: xypron.glpk at gmx.de (Heinrich Schuchardt) Date: Fri, 26 Jun 2020 19:57:55 +0200 Subject: [PATCH 1/1] ARM: mx6: make CAAM usable on the i.MX6 boards Message-ID: <20200626175755.1868-1-xypron.glpk@gmx.de> Even if the HAB fuse is not set we want to be able to use the Cryptographic Accelerator and Assurance Module (CAAM) for generating random numbers. So SYS_FSL_HAS_SEC should be selected even if IMX_HAB is not set. arch_misc_init() has to be called to initialize the CAAM. Signed-off-by: Heinrich Schuchardt --- arch/arm/Kconfig | 2 +- arch/arm/mach-imx/mx6/soc.c | 10 ++++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) -- 2.20.1 diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 54d65f8488..9a957f63c7 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -884,7 +884,7 @@ config ARCH_MX7 config ARCH_MX6 bool "Freescale MX6" select CPU_V7A - select SYS_FSL_HAS_SEC if IMX_HAB + select SYS_FSL_HAS_SEC select SYS_FSL_SEC_COMPAT_4 select SYS_FSL_SEC_LE imply MXC_GPIO diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c index 19ca382649..e129286065 100644 --- a/arch/arm/mach-imx/mx6/soc.c +++ b/arch/arm/mach-imx/mx6/soc.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include @@ -691,6 +692,15 @@ void imx_setup_hdmi(void) } #endif +#ifdef CONFIG_ARCH_MISC_INIT +int arch_misc_init(void) +{ +#ifdef CONFIG_FSL_CAAM + sec_init(); +#endif + return 0; +} +#endif /* * gpr_init() function is common for boards using MX6S, MX6DL, MX6D,